20241+2404 BKO 444AC

Coord 2000	20241+2404		Discov num	BKO 444		Comp	AC		Coord arcsec 2000	20 24 10.64 +24 04 08.2
Date first	1997		Date last	2015		Obs	4
Pa first	208		Pa last	207		P.A. Now (θ)	207°
Sep first	7.7		Sep last	7.6		Sep. Now (ρ)	7.6"
Mag pri	12.30		Mag sec	14.50		delta mag (ΔM)	2.2		Spectral class
Pri motion ra	-009		Sec motion ra	-045
Pri motion dec	-010		Sec motion dec	-026
Notes

rPM=0.758 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20241+2404	POU4449	AB	1898	2015	5	240	14.9	12.34	14.20	1.86
Show			20241+2404	BKO 444	AC	1997	2015	4	207	7.6	12.30	14.50	2.20		<===
Show			20241+2404	BKO 444	BD	1997	2015	3	206	3.5	14.20	14.50	0.30

Quadruple system
4 visible stars in this system

Precise pa	207		Precise sep	7.591		Constellation	Vulpecula		SAO	88633
Tycho2	2156-00313-1		Gaia DR2	06929541248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20241+2404	BKO 444	AC	2008	1	208	7.6	12.30	14.50			202410.64+240408.2
20241+2404	BKO 444	AC	2015	4	207	7.6	12.30	14.50			202410.64+240408.2

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